// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_AURA_INPUT_STATE_LOOKUP_H_
#define UI_AURA_INPUT_STATE_LOOKUP_H_

#include "base/memory/scoped_ptr.h"
#include "ui/aura/aura_export.h"

namespace aura {

// InputStateLookup is used to obtain the state of input devices.
class AURA_EXPORT InputStateLookup {
public:
    virtual ~InputStateLookup() { }

    // Creates the platform specific InputStateLookup. May return NULL.
    static scoped_ptr<InputStateLookup> Create();

    // Returns true if any mouse button is down.
    virtual bool IsMouseButtonDown() const = 0;
};

} // namespace aura

#endif // UI_AURA_INPUT_STATE_LOOKUP_H_
